20 CAR § 880-1104 – Design and construction

(a)
1. (1) Vessels used for storage and dispensing of liquid fertilizer shall be constructed to comply with the provisions of Section VIII, ASME Boiler Code.
2. (2) All containers shall be constructed for a safe working pressure of not less than two hundred fifty pounds per square inch gauge (250 psig) with minimum head and shell thickness of not less than three-sixteenths inch (3/16”).
3. (3) All trucks and transports used for the transportation of anhydrous ammonia shall be constructed for a safe working pressure of not less than two hundred sixty-five pounds per square inch gauge (265 psig) and in compliance with Section VIII of the ASME code.
(b) In addition to the above requirements, all anhydrous ammonia containers to be used for storage purposes, thirty-six inches (36”) in diameter or larger, and all vessels mounted on transport trucks, delivery trucks, and trailer units, regardless of size, shall be constructed to comply with either of the following requirements:
1. (1) Stress relieve the container after fabrication in accordance with the ASME code, Par. UW-40, Sub-par. (1) or (2);
2. (2) Stress relieve cold formed heads in an approved manner; and
3. (3) Used not formed heads.
(c)
1. (1) It is strongly recommended that vessels of this type be stress relieved.
2. (2) All such containers shall be stamped “National Board” at the time of construction.
3. (3) Blueprints showing the type or types of all containers shall be filed with the Boiler Inspection Division for approval before shipment of any container into the state.
(d) Shop inspections shall be made of all containers during construction by a duly authorized inspector who holds a National Board of Boiler and Pressure Vessel Inspectors commission, and who is employed by an insurance company, state, or municipality.
(e) All containers shall have the manufacturer’s nameplate, firmly attached to the container, designating:
1. (1) Manufacturer’s serial number;
2. (2) National Board of Boiler and Pressure Vessel Inspectors number;
3. (3) Year built;
4. (4) Diameter;
5. (5) Length;
6. (6) Shell and head thickness;
7. (7) Capacity in water gallons;
8. (8) Pounds; and
9. (9) Surface area of vessel in square feet.
(f)
1. (1) All containers, except storage tanks, shall be fully equipped with the required fittings by the manufacturer and shall be tested under air pressure of not less than one hundred pounds per square inch gauge (100 psig) before delivery to the user.
2. (2) Air pressure of not less than twenty-five pounds per square inch gauge (25 psig) or more than seventy-five pounds per square inch gauge (75 psig) shall be left in the container when shipment is made into the state by the manufacturer or jobber, and this information shall be included in the report of shipment provided for in subsection (g) of this section.
(g)
1. (1) Manufacturers and jobbers shall forward to the Boiler Inspection Division notice of shipment and manufacturer’s data report on the same day that shipment of containers is made in the state.
2. (2) Manufacturers and jobbers shall not sell containers to individuals.
3. (3) They shall sell containers and equipment to bonded and licensed dealers only.
(h) Each container which is to be used for the transportation or utilization of anhydrous ammonia shall be inspected and approved by the Boiler Inspection Division at the dealer’s place of business before being placed in service, and thereafter at such times and in such manner as may be determined under the rules of the Division of Labor.
(i)
1. (1) The Boiler Inspection Division shall notify all dealers when annual inspections will be made of their equipment requiring annual inspections, and it will be the dealer’s responsibility to have all trailers and/or transports at his or her place of business in order that all equipment may be inspected.
2. (2) Dealers will notify their customers who own their own containers of the date the inspector will be at the dealer’s place of business.
(j)
1. (1) All containers used for the storage and all transports and trailer units used for the delivery of anhydrous ammonia shall be inspected annually.
2. (2) For each inspection made by the Division of Labor, there shall be paid a fee in accordance with the following schedule.
(k) All containers used for dispensing purposes which are mounted on field tractors and have a capacity up to and including: 150 Gallons $ 9.00 151 Gallons and over $10.00 Containers used on trailer units, regardless of size $11.00 Containers used for storage, regardless of size $18.00
(l) Owners of all types of anhydrous ammonia vessels shall be responsible for the inspection fees.
(m) Special inspection fees of fifteen dollars ($15.00) per container plus mileage, not to exceed the rate authorized by the General Assembly to employees of the state agencies who furnish their own transportation, traveled from dealer’s place of business to point of inspection and return, shall be charged for any container moved from dealer’s place of business before it is inspected and approved.